December 7, 2011

Hibernate vs Sleep power plans on operating systems, and how are they different from each other?

Hibernate and Sleep are two different power plans which you can use to save power when you are not using Windows or your computer.

What is Hibernate Power Plan?

Hibernate is the process of saving all the content in your RAM/Memory on your hard drive before your computer is turned off. Hibernate needs as much free space as the used space in your RAM. Hibernate will make your computer start up from a power off state a lot faster then Shutdown your computer, and turning it ON or Restart. Hibernate uses no power when your computer is OFF. You are not as likely to lose unsaved work in Hibernate if your computer experience a power outage during a power outage vs. just leaving your computer ON, or in sleep mode without saving your work, but you should still save and backup your work before you Hibernate since if your hard drive or hibernate fails, you'll lose all your data or unsaved work. It is best to use Hibernate if you plan not to use your computer for a few hours.

What is Sleep Power Plan?

Sleep is the Windows Power plan which turns off your CPU, Hard drives, computer fans, optical cd drives, video card, and other devices, but your Motherboard, USB ports with mouse, keyboard, and other devices plugged into them will still be power on, your power supply, and power button are also ON, so your computer can easily wake up from sleep. Most importantly, your memory is not off since your Memory is needed to be powered ON to avoid data loss which will cause Windows to stop working, and you'll lose unsaved work if there is a power outage.
Waking up from Sleep is almost instant, and a lot faster then Hibernate. Sleep is best used when you plan not to use your computer for a few minutes or under an hour.

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